the term “producer” means the owner of propane at the time it is recovered at a gas processing plant or refinery;

(6)

the term “propane” means a hydrocarbon whose chemical composition is predominantly C3H8, whether recovered from natural gas or crude oil, and includes liquefied petroleum gases and mixtures thereof;

(7)

the term “public member” means a member of the Council, other than a representative of producers or retail marketers, representing significant users of propane, public safety officials, academia, the propane research community, or other groups knowledgeable about propane;

(8)

the term “qualified industry organization” means the National Propane Gas Association, the Gas Processors Association, a successor association of such associations, or a group of retail marketers or producers who collectively represent at least 25 percent of the volume of propane sold or produced in the United States;